The requested page cannot be accessed because the related configuration data for the page is invalid. <staticContent> <mimeMap fileExtension=".woff" mimeType="application/font-woff"/> </staticContent> This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error. Solution: 1. Open IIS and click on hosted website 2. On the Featured View tab, double click on MIME type icon and check if .woff extension is present. If on click it gives error not to worry. 3. Open web.config file of project solution and check if .woff mimemap entry is present. If yes, remove that entry. 4. Go back to IIS and follow Step 1 and Step 2. It should show .woff extension now. 5. Check your website and it should work now. Author: Sumit Bajaj Thanks for Reading. Have a great time.